



HI-98103 Pocket Checker pH Tester
In Stock 137 Items available
HI-98103
The latest HI-98103 is the next generation of the original Checker pH tester. Now offering automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shut off.
The latest HI-98103 is the next generation of the original Checker pH tester. The Checker is by far one of the most popular pH meters in the world with over 1 million meters used since its introduction in 1991.
From students to researchers, the Checker has been helping with their pH measurements.
The Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Checker.
The HI-98103 Checker now offer automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shut off.
It maintains the pentagon design with a probe measuring 103mm in length that is tapered to an 8mm diameter, making it ideal for measurements in test tubes and vials.
Key features:
- pH 0.0 to 14.0; resolution 0.1pH
- Replaceable electrode – HI-1271
- Economical
- High accuracy - ±0.2 pH
- Large LCD
- Automatic Calibration
- Stability Indicator
- Automatic shut-off
- Long Battery Life – 1000 hours
- Plastic Carrying Case
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Range pH | 0.0 to 14.0 pH | |
Resolution pH | 0.1 pH | |
Accuracy pH | ±0.2 pH | |
Calibration | Automatic, one or two-points | |
Auto off | 8 minutes, 60 minutes, or can be disabled | |
Electrode | HI -1271 (included) | |
Battery Type / Life | CR2032 Li-ion approx 1000 hours of continuous use | |
Environment | 0 to 50°C (32 to 122°F); RH max 95% | |
Dimensions | 50 x 174 x 21mm | |
Weight | 50 g (1.8 oz.) |
Ordering information: | HI-98103 is supplied with HI-1271 pH electrode, pH4.01 buffer solution sachet (2), pH 7.01 buffer solution sachet (2), electrode cleaning solution sachet (2), battery, quality certificate, and instruction manual in a carrying case. Available to buy separately: HI-70300L electrode storage solution, 500ml bottle; HI-700601p General purpose cleaning solution 20ml sachets x 25; HI-770710p pH 10.01 and 7.01 buffer solution, 20ml sachets x 5 of each. |